<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>hello vue</title>
<style type="text/css">

</style>
</head>
<body>







<div id="app">

	{{time}}


</div>









<br>
<script src="vue.js"></script>

<script type="text/javascript">

var app = new Vue({
        el: '#app',
        data: {
          time:50
            
        },
        filters: {
         
        },
        created: function () {
            setInterval(this.timer, 1000);
        },
        methods: {
         timer: function () {
                this.time--
            }
        },
        watch: {

        },
        computed: {

        }
    });


</script>

	
</body>
</html>